4-Amino-6-bromo-2-(difluoromethyl)-3-(trifluoromethyl)pyridine
4-Amino-2-bromo-5-(difluoromethyl)-3-(trifluoromethyl)pyridine
Ethyl 6-amino-4-cyano-3-(difluoromethyl)pyridine-2-carboxylate
Ethyl 2-amino-4-cyano-3-(difluoromethyl)pyridine-5-carboxylate